/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.lvyh.lightframe.job.admin.util;

import com.alibaba.fastjson.JSONObject;

import java.util.HashSet;
import java.util.Set;

public class JsonUtils {

    public static Set<String> getAllKeys(JSONObject jsonObject) {
        if (jsonObject == null) {
            return null;
        }
        return getAllKeys(jsonObject.toString());
    }

    public static Set<String> getAllKeys(String jsonString) {
        Set<String> set = new HashSet<>();
        String[] keyValue = jsonString.split(",");
        for (int i = 0; i < keyValue.length; i++) {
            String s = keyValue[i];
            int index = s.indexOf(":");
            if (i == 0) {
                set.add(s.substring(2, index - 1));
            } else {
                set.add(s.substring(1, index - 1));
            }
        }
        return set;
    }

}
